source: frontend/node_modules/es-abstract/2017/GetMethod.js

'use strict';

var $TypeError = require('es-errors/type');

var GetV = require('./GetV');
var IsCallable = require('./IsCallable');
var isPropertyKey = require('../helpers/isPropertyKey');

var inspect = require('object-inspect');

// https://262.ecma-international.org/6.0/#sec-getmethod

module.exports = function GetMethod(O, P) {
        // 7.3.9.1
        if (!isPropertyKey(P)) {
                throw new $TypeError('Assertion failed: P is not a Property Key');
        }

        // 7.3.9.2
        var func = GetV(O, P);

        // 7.3.9.4
        if (func == null) {
                return void 0;
        }

        // 7.3.9.5
        if (!IsCallable(func)) {
                throw new $TypeError(inspect(P) + ' is not a function: ' + inspect(func));
        }

        // 7.3.9.6
        return func;
};